1113504

View detailed technical data, stock status, and sourcing information for: 1113504
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-610-5358

Item Name Code

01858

Assigment Date

01/01/1963 (63 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

square nut style, 3b thread class, 4.000 inches nominal width across flats, right-hand thread direction, 0.500 inches nominal nut height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Nut Style: square
Nut Height: 0.500 inches nominal
Width Across Flats: 4.000 inches nominal
Thread Series: un
Thread Quantity Per Inch: 12
Nominal Thread Size: 2.500 inches
Bearing Surface Type: flat
Special Features: 4threaded holes 0.375-16 nc cl 3b on face of nut
Material: steel overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1113504	Square Plain Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-610-5358?

The FSCG of the NSN 5310-00-610-5358 is 5310

Does the NSN 5310-00-610-5358 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-610-5358 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-00-610-5358 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-610-5358 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-610-5358 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963